Today, we continued work on our exploration of forces in bridges. Students were busy thinking of designs to balance the tension and compression forces that bridges must endure. There are a lot of unique designs being made for the bridge project. The most common seem to be a truss-like design which is similar to the Animal Friends bridge over Lowry's Run along Camp Horne Road. A lot of the students are making hybrid bridges that they saw in the Pittsburgh bridge scavenger hunt. There are a few models similar to the "through arch truss" design of the Fort Pitt , Fort Duquesne, and I-79/Ohio River Bridge. The students seem to be exploring the idea of balanced forces, and they are thinking about what happens when weight is applied to the bridge deck.
These are just a few student bridge designs.
Today was also a quiz on forces. This was an application assessment where students were tested on their ability to determine force by knowing the other variables: mass and acceleration. Overall, the students did really well and their scores are now available on Edline.
Update:
Homework:
Due: Part 2 - Pittsburgh Bridges Scavenger Hunt add to your project packet
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